Omega Seamaster Seamaster Master Co-Axial 39.5 Singapore Edition Stainless Steel / White / Alligator

Reference 511.13.40.20.04.002

Omega Seamaster Master Co-Axial 39.5 Singapore Edition Stainless Steel / White / Alligator

About this watch

The Omega Seamaster Master Co-Axial 39.5 Singapore Edition is a masterpiece of horology, boasting exceptional craftsmanship and a unique story tied to the vibrant city of Singapore. This limited edition watch combines modern technology with classic design, making it a versatile companion for both formal and casual occasions. The stunning white dial features a glossy finish, stick and dot indexes, and Feuille hands that ensure readability while maintaining a sleek profile. The 39.5 mm stainless steel case strikes a perfect balance between boldness and wearability, paired with an alligator leather strap that enhances its luxurious feel. With a water resistance of up to 60 meters, this watch is more than just a pretty face, handling splashes and brief immersion while maintaining accuracy and performance even in challenging conditions. The Omega Seamaster Master Co-Axial 39.5 Singapore Edition stands tall in the realm of luxury watches, its blend of sophistication, precision, and limited availability making it a worthy addition to any collection.

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Key Features

Omega caliber 8800 self-winding movement
Co-Axial escapement reducing friction for longevity and reliability
55-hour power reserve
Chronometer certified by Swiss Federal Institute of Metrology (METAS)
Resistant to magnetic fields up to 15,000 gauss
Stainless steel case with sapphire crystal glass
39.5 mm diameter with 20 mm lug width
White dial with glossy finish and stick/dot indexes

Specifications

Brand

Omega

Family

Seamaster

Model

Seamaster Master Co-Axial 39.5 Singapore Edition Stainless Steel / White / Alligator

Reference

511.13.40.20.04.002

Movement

8800

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

Stainless Steel 39.5mm

Dial Color

White

Crystal

Sapphire

Water Resistance

Current Listings

Omega Seamaster 300M Co-Axial 2220.80 B&P 41mm- $2,790

Omega - 2220.80 · $2,790

The Omega Seamaster 300M Co-Axial is a 41mm automatic watch featuring an co-axial cal 2500 movement, steel case, and original Omega steel bracelet.

Condition: 8.7/10 - minimal marks and hairlines on case, caseback, and bracelet
Movement: cal 2500
Bracelet size: up to 7-7.25 inch wrists depending on wrist shape
Shipping method: Fedex Priority Shipping

Posted at

Feb 9, 2026, 8:42 PM

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2018 Omega Seamaster Diver 300M Commander's Watch - REF 212.32.41.20.04.001

Omega - 212.32.41.20.04.001 · $4,995

This is a 2018 Omega Seamaster Diver 300M Commander's Watch, with a clean and scratch-free crystal and bezel. It has been on a timegrapher and running within acceptable ranges.

Condition: great pre-owned condition
Case size: 41mm diameter
Bracelet condition: minor signs consistent with age
Crystal and bezel condition: clean and scratch free

Posted at

Feb 9, 2026, 7:22 PM

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Omega Seamaster 300m Chronograph 44mm 212.30.44.50.03.001

Omega - 212.30.44.50.03.001 · $3,375

This Omega Seamaster 300m Chronograph is a 44mm automatic watch, featuring a fresh polish and 7.25" bracelet.

Condition: Fresh polish
Bracelet length: 7.25"
Payment methods: Zelle, Venmo, or Western Union

Posted at

Feb 9, 2026, 7:07 PM

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Omega Seamaster Peter Blake 41mm Automatic 2254.50

Omega - 2254.50 · $3,250

This listing is for an Omega Seamaster Peter Blake 41mm Automatic, a 300m waterproof watch featuring a fresh polish and a 7" bracelet.

Condition: Pre-owned with minor scratches
Bracelet length: 7 inches
Water resistance: 300m

Posted at

Feb 9, 2026, 7:06 PM

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Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,295 Shipped ✈️

Omega - 2504.30 · $2,295

This Omega Seamaster Aqua Terra features a beautiful sunburst silver dial and comes in a compact 36mm case diameter. The watch is suitable for small wrists between 6.75 and 7 inches.

Condition: Very good condition
Case Diameter: 36mm
Movement: Omega Co-axial 2500

Posted at

Feb 9, 2026, 5:46 PM

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Omega Seamaster Planet Ocean GMT “Oreo” - 215.30.44.22.01.001 - Price Reduced!

Omega - 215.30.44.22.01.001 · $4,750

The Omega Seamaster Planet Ocean GMT features a 43.5mm size and is described as being in very good condition with only light scratches on the clasp and bracelet. The watch runs perfectly with no errors, losing only +/–0 seconds per day.

Condition: very good with minor wear
Size: 43.5mm diameter

Posted at

Feb 9, 2026, 4:59 PM

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Omega Seamaster Professional 41mm - 2254.50 - $2,750 Shipped ✈️

Omega - 2254.50 · $2,750

The Omega Seamaster Professional is a watch-only example that has had a relume, but it shows visible inconsistencies.

Condition: good pre-owned condition
Size: 41mm diameter

Posted at

Feb 9, 2026, 4:57 PM

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Omega Seamaster Aqua Terra "Golf Edition" 41.5mm

Omega - 220.10.41.21.01.002

This Omega watch is a unique 'Golf Edition' of the popular Aqua Terra model, sized at 41.5mm.

Posted at

Feb 9, 2026, 4:28 PM

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Omega Seamaster Diver 300M 212.30.41.20.03.001

Omega - 212.30.41.20.03.001 · $3,795

This Omega Seamaster Diver 300M features a 41mm stainless steel case with blue dial and ceramic bezel, powered by the Caliber 2500 co-axial automatic movement.

Condition: excellent pre-owned
Case size: 41mm
Diameter: 41mm
Water resistance: 300m

Posted at

Feb 9, 2026, 2:59 PM

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